Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

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Intangible Assets (Details) (USD $)
 3 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Mar. 31, 2012
Jun. 30, 2012
Manufacturing license
Mar. 31, 2012
Manufacturing license
Jun. 30, 2012
Technology
Mar. 31, 2012
Technology
Jun. 30, 2012
Parts and service customer relationships
Mar. 31, 2012
Parts and service customer relationships
Jun. 30, 2012
TA100 customer relationships
Mar. 31, 2012
TA100 customer relationships
Jun. 30, 2012
Backlog
Mar. 31, 2012
Backlog
Jun. 30, 2012
Trade name
Mar. 31, 2012
Trade name
Intangible Assets                              
Weighted Average Amortization Period       17 years 17 years 10 years 10 years 5 years 5 years 2 years 2 years     1 year 2 months 12 days 1 year 2 months 12 days
Intangible Assets, Gross $ 8,196,000   $ 8,196,000 $ 3,700,000 $ 3,700,000 $ 2,240,000 $ 2,240,000 $ 1,080,000 $ 1,080,000 $ 617,000 $ 617,000 $ 490,000 $ 490,000 $ 69,000 $ 69,000
Accumulated Amortization 5,516,000   5,385,000 3,450,000 3,437,000 541,000 485,000 522,000 468,000 617,000 617,000 317,000 309,000 69,000 69,000
Intangible assets, net 2,680,000   2,811,000 250,000 263,000 1,699,000 1,755,000 558,000 612,000     173,000 181,000    
Amortization expenses 100,000 200,000                          
Expected future amortization expense of intangible assets                              
2013 (remainder of fiscal year) 539,000                            
2014 489,000                            
2015 453,000                            
2016 273,000                            
2017 273,000                            
Thereafter 653,000                            
Intangible assets, net $ 2,680,000   $ 2,811,000 $ 250,000 $ 263,000 $ 1,699,000 $ 1,755,000 $ 558,000 $ 612,000     $ 173,000 $ 181,000